Step 1

Preheat oven to 350F and grease a 9×13″ baking pan with non-stick baking spray or butter.

Step 2

In a large bowl, whisk together the flour, sugar, cocoa powder, baking soda, baking powder and salt. Set aside.

Step 3

In a medium bowl, whisk together the milk, vegetable oil, vanilla and eggs.

Step 4

Add the wet ingredients to the dry ingredients and mix until combined with a rubber spatula.

Step 5

Add in the hot water and whisk until smooth.

Step 6

Pour into the prepared baking pan and bake for 30-32 minutes or until a toothpick inserted into the center comes out with a few moist crumbs.

Step 7

Let cool completely before frosting.

Step 8

Using a handheld or stand mixer, beat the butter for 1 minute until creamy. Mix in 1 cup of powder sugar and with 1 tbsp of milk/cream at a time, mixing well in between.

Step 9

Mix in the cocoa powder and vanilla until smooth. Add more milk/cream if necessary for a spreadable consistency.